| This color image was taken by NASA's Phoenix Mars Lander's Stereo Surface Imager on the ninth Martian day of the mission, or Sol 9 (June 3, 2008). This image of the trench shows a white layer that has been uncovered by the Robotic Arm scoop and is now visible in the wall of the trench. NASA/JPL/University of Arizona/Texas A&M University. |